Yes large spring installed just under the cap and small spring under the diaphram .. both springs look brand new .. no unsusal bends.. also the valve "c" aligned and the cams move well via throtle cable. Checked diaphram suction will hold vacume.
will take off the throttle body - [where carb connects to engine block to check for blockages.]
Now thinking its an electrical issue (electronic ignition )
have also tried without muffler connected - made no difference so no restriction there.
also run in my garage breifly without air filter new spark plug no muffler .. STILL WONT REV ..
will try to upload pictures over the weekend.
The engine is i think a power torque..Common commando v35 lawnmower that had key start (orange cowling) but battery and key start cabeling removed long time ago before wont rev issue.
Almost ready to bin this thing..
Cheers
Oliver
